10 examples of 'if statement in html' in JavaScript

Every line of 'if statement in html' code snippets is scanned for vulnerabilities by our powerful machine learning engine that combs millions of open source libraries, ensuring your JavaScript code is secure.

All examples are scanned by Snyk Code

By copying the Snyk Code Snippets you agree to
this disclaimer
133if(expression) {
134 return {
135 $type: "if",
136 condition: this._getParamNames(arguments[0])[0],
137 expression: expression,
138 children: arguments[1]
139 }
140}
Important

Use secure code every time

Secure your code as it's written. Use Snyk Code to scan source code in minutes – no build needed – and fix issues immediately. Enable Snyk Code

531parseIf(): Node {
532 let token = this.current;
533 assert(token.kind == TokenKind.IF);
534 this.advance();
535
536 if (!this.expect(TokenKind.LEFT_PARENTHESIS)) {
537 return null;
538 }
539
540 let value: Node;
541
542 // Recover from a missing value
543 if (this.peek(TokenKind.RIGHT_PARENTHESIS)) {
544 this.unexpectedToken();
545 this.advance();
546 value = createParseError();
547 }
548
549 else {
550 value = this.parseExpression(Precedence.LOWEST, ParseKind.EXPRESSION);
551 if (value == null || !this.expect(TokenKind.RIGHT_PARENTHESIS)) {
552 return null;
553 }
554 }
555
556 let trueBranch = this.parseBody();
557 if (trueBranch == null) {
558 return null;
559 }
560
561 let falseBranch: Node = null;
562 if (this.eat(TokenKind.ELSE)) {
563 falseBranch = this.parseBody();
564 if (falseBranch == null) {
565 return null;
566 }
567 }
568
569 return createIf(value, trueBranch, falseBranch).withRange(spanRanges(
570 token.range, (falseBranch != null ? falseBranch : trueBranch).range));
571}
36function html_if_tag_allowed(node) {
37 if (is_allowed_html_tag(node)) {
38 this.lit(node.literal);
39 return;
40 } else {
41 this.lit(escape(node.literal));
42 }
43}
33export function If({ condition, children }) {
34 if (children == null) {
35 return null;
36 }
37
38 const conditionResult = getConditionResult(condition)
39
40 return (
41 <React.Fragment>
42 {[].concat(children).find(c => (c.type !== Else) ^ !conditionResult) ||
43 null}
44 </React.Fragment>
45 );
46}
302function parseIf(parser) {
303 lookAhead(parser);
304 var condExpr = parseSimpleExpr(parser);
305 if (parser.headToken != "then") {
306 throw new IbisError(expected(parser, "then"));
307 }
308 lookAhead(parser);
309 var thenExpr = parseSimpleExpr(parser);
310 if (parser.headToken != "else") {
311 throw new IbisError(expected(parser, "else"));
312 }
313 lookAhead(parser);
314 var elseExpr = parseSimpleExpr(parser);
315 return Expr.createIf(condExpr, thenExpr, elseExpr);
316}
135function processIf (el) {
136 const exp = getAndRemoveAttr(el, 'v-if');
137 if (exp) {
138 el.if = exp;
139 if (!el.ifConditions) {
140 el.ifConditions = [];
141 }
142 el.ifConditions.push({
143 exp: exp,
144 block: el
145 });
146 }
147}
60get if() {
61 const ifNode = new Node();
62 ifNode.parent = this._current;
63 this._current.set(keyword.IF, ifNode);
64 this._current = ifNode;
65 return this;
66}
198statement() {
199 let node;
200
201 if (this.currentToken.is(Token.BEGIN)) {
202 node = this.compoundStatement();
203 } else if (this.currentToken.is(Token.IDENTIFIER)) {
204 node = this.assignmentStatement();
205 } else {
206 node = this.empty();
207 }
208
209 return node;
210}
947prewalkIfStatement(statement) {
948 this.prewalkStatement(statement.consequent);
949 if (statement.alternate) {
950 this.prewalkStatement(statement.alternate);
951 }
952}
119function genIf (el: any): string {
120 el.ifProcessed = true // avoid recursion
121 return genIfConditions(el.ifConditions.slice())
122}

Related snippets